[BZ 1129051] - Long alert definition templates list is displayed partially - calling setPagingInfo(response, result); solves the issue. I've fixed that for various data sources.

(cherry picked from commit 104ff1c861a245ba74b9c7090b9d9909773e3323)
Signed-off-by: Thomas Segismont <tsegismo@redhat.com>

Conflicts:
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/inventory/resource/detail/monitoring/ResourceScheduledMetricDatasource.java